On a piece of paper, use a protractor to construct right triangle DEF with DE = 4 in m /_D = 90° , and m /__ = 45° . What statement is true about the triangle?
A. DF = 2 in.
B. EF = 7 in.
C. EF = 4 in.
D. DF = 4 in.
HELP PLEASE!! I NEED THE ANSWER ASAP